The 4Runner's endearing character and impressive ruggedness is massaged by the passionate team at Toyota Racing Development (TRD). For 2018 the Trail and Trail Premium grades are now known as the TRD Off-Road and TRD Off-Road Premium, and join the ultimate off-roader in the lineup, the 4Runner TRD Pro. The fifth-generation 4Runner combines rugged features, like high ground clearance and CRAWL Control, with interior luxuries like a premium sound system and generous knee space for second-row passengers.